Peridot in Volcanic Rock
John Betts - Fine Minerals
Segment of a Peridot xenolith from the explosion debris field of an 180,000-year-old volcano. When the surface of the specimen is viewed under magnification many transparent green Peridot fragments are visible. Ex. J. Cilen (1916-1997) #19786.
Kilbourne Hole, near Las Cruces, Doña Ana County, New Mexico